love fish大鹏一曰同风起,扶摇直上九万里

常用链接

统计

积分与排名

friends

link

最新评论

delphi函數學習

1.
function Assigned(var P): Boolean;判斷過程或指針是否存在
Description
  Use Assigned to determine whether the pointer or procedure referenced by P is nil. P must be a variable reference of a pointer or procedural type. Assigned(P) corresponds to the test P<> nil for a pointer variable, and @P <> nil for a procedural variable.
  Assigned returns False if P is nil, True otherwise.

posted on 2006-09-14 11:21 liaojiyong 阅读(250) 评论(0)  编辑  收藏 所属分类: Delphi


只有注册用户登录后才能发表评论。


网站导航: